/*
 * Copyright (c) 2013 Moxie contributors
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package moxie;

import java.util.Collections;
import java.util.Map;

class ProxyIntercepts {
    private static final ProxyIntercepts INSTANCE = new ProxyIntercepts();

    private final Map<Class, MethodIntercept> classIntercepts = Collections.synchronizedMap(new WeakIdentityMap<Class, MethodIntercept>());
    private final Map<Object, MethodIntercept> proxyIntercepts = Collections.synchronizedMap(new WeakIdentityMap<Object, MethodIntercept>());

    private ProxyIntercepts() {}

    void registerClassIntercept(Class clazz, MethodIntercept intercept) {
        classIntercepts.put(clazz, intercept);
    }
    void registerIntercept(Object proxy, MethodIntercept intercept) {
        proxyIntercepts.put(proxy, intercept);
    }

    static ProxyIntercepts getInstance() {
        return INSTANCE;
    }

    MethodIntercept getClassIntercept(Class<?> clazz) {
        return classIntercepts.get(clazz);
    }

    MethodIntercept getIntercept(Object proxy) {
        return proxyIntercepts.get(proxy);
    }

}
